Re: [PATCH 08/13] KVM: x86: stubs for SMM support

From: Paolo Bonzini
Date: Tue May 05 2015 - 05:38:09 EST




On 04/05/2015 19:51, Radim KrÄmÃÅ wrote:
> (I'm not sure if this is supported if IA32_VMX_BASIC[49] = 0.
> 34.15.6.4 Saving Guest State
> The SMM-transfer monitor (STM) can also discover the current value of
> the SMBASE register by using the RDMSR
>
> but it's not possible to get into STM without having a support for it
> noted in IA32_VMX_BASIC[49] and more magic we also don't emulate to
> actually enable it.)

I can certainly make the SMBASE MSR host-accessible only.

Paolo
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